public class demon2 {
    private static int count=0;
    public static void main(String[] args) throws InterruptedException {
        Thread thread1=new Thread(()->{
            for (int i = 0; i < 5000; i++) {
                synchronized (demon1.class){
                    count++;
                }
            }
        });
        Thread thread2=new Thread(()->{
            for (int i = 0; i < 5000; i++) {
                synchronized (demon1.class){
                    count++;
                }
            }
        }) ;
        thread1.start();
        thread2.start();
        thread1.join();
        thread2.join();
        System.out.println(count);
    }



}
